This is a discussion on Is Graval ok? within the Saltwater Aquariums forums, part of the Saltwater Fish and Coral Reef Tanks category; -->
i currntly have gravel in my tank, is this ok? or should i switch over to sand? if so witch brand should i use?...
Gravel can work, but you would be better off with sand. If you do use gravel you will have to keep a very close eye on your ph and supplement with a ph buffer on a very regular basis.